Cleaner head for a vacuum cleaner

Details Cleaner head for a vacuum cleaner Cleaner head for a vacuum cleaner

2002-11-15

2008-10-21

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

Reexamination Certificate

active

07437799

ABSTRACT:
The invention provides a cleaner head (50;90;130;180) for a vacuum cleaner comprising a housing (52;92;132;182), a suction opening (60;100;142;184) in a face (58;96;136;186) of the housing which is intended to face a floor surface, a suction passage (110;146) for conducting dirt-laden air from the suction opening (60;100;142;184) through the cleaner head to an outlet thereof, a bleed air inlet (200) arranged in the housing and closed by a bleed valve (76;124;166;198) which is openable to allow air to be bled into the suction passage via the bleed air inlet. The cleaner head further comprises a force-transmitting member (68 122;152;194;232) connected to, or adapted to be connected to, a handle (18;48) by means of which the cleaner head is, in use, maneuvered across the floor surface, and the force-transmitting member (68;122;152;194;232) is connected to the housing by a connection allowing relative movement between the force-transmitting member and the housing.

REFERENCES:
patent: 2978733 (1961-04-01), Wahlborg
patent: 3080599 (1963-03-01), Wahlborg et al.
patent: 6123779 (2000-09-01), Conrad et al.
patent: 514164 (1930-12-01), None
patent: 28 15 196 (1978-07-01), None
patent: 0 898 924 (1999-03-01), None
patent: 875332 (1961-08-01), None
patent: 04-197224 (1992-07-01), None
patent: 5211962 (1993-08-01), None
patent: 2001-218710 (2001-08-01), None

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